Fix model architecture name case mismatch breaking TL2 conversion #401
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The model registration decorator used "BitnetForCausalLM" (lowercase 'n') but HuggingFace model configs specify "BitNetForCausalLM" (uppercase 'N'). This caused a NotImplementedError when converting models to TL2 GGUF format, since the case-sensitive dictionary lookup in from_model_architecture() failed. Fixed in both convert-hf-to-gguf-bitnet.py and generate-dummy-bitnet-model.py. Fixes microsoft#300
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Summary
@Model.register("BitnetForCausalLM")→@Model.register("BitNetForCausalLM")(capital 'N') in bothconvert-hf-to-gguf-bitnet.pyandgenerate-dummy-bitnet-model.py"BitNetForCausalLM"as the architecture name, but the registration decorator had a lowercase 'n', causing the case-sensitive lookup infrom_model_architecture()to fail withNotImplementedError: Architecture 'BitNetForCausalLM' not supported!python setup_env.py -md models/BitNet-b1.58-2B-4T -q tl2)Test plan
python setup_env.py -md models/BitNet-b1.58-2B-4T -q tl2and verify conversion completes withoutNotImplementedErrori2_sandtl1quantization paths still workFixes #300